Issue 4550 (1/2) Avoid "using namespace std;" in included files

[lilypond.git] / lily / tie-formatting-problem.cc

diff --git a/lily/tie-formatting-problem.cc b/lily/tie-formatting-problem.cc
index 905718469cf0b7e696366219b37c6cee5acf4169..6a5e62fde135c3c181810bd2dab9863ca7d70c91 100644 (file)
--- a/lily/tie-formatting-problem.cc
+++ b/lily/tie-formatting-problem.cc
@@ -39,6 +39,10 @@
 #include "pointer-group-interface.hh"
 #include "output-def.hh"
 
+using std::set;
+using std::string;
+using std::vector;
+
 void
 Tie_formatting_problem::print_ties_configuration (Ties_configuration const *ties)
 {